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题库 / Prep2007E2-SC-131
Today's technology allows manufacturers to make small cars more fuel-efficient now than at any time in their production history.
small cars more fuel-efficient now than at any time in their
small cars that are more fuel-efficient than they were at any time in their
small cars that are more fuel-efficient than those at any other time in
more fuel-efficient small cars than those at any other time in their
more fuel-efficient small cars now than at any time in
请看讲解视频
A.B讲的是，今天的small cars比这批cars在其他时候更省油；
C讲的是，今天的small cars 比其他时候的cars更省油；
前者比较的是同一批车在不同时间的省油情况，后者比较的是不同时间的两批车的省油情况。另外B项个人觉得比较碍眼的是they和their的同源指代的问题；
D.E里more修饰歧义，修饰数量更多or更省油?
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